Simplify: (87 \( \times \) 87 + 61 \( \times \) 61 - 2 \( \times \) 87 \( \times \) 61)
Solution
Correct Answer: Option B
Solution:
দেওয়া আছে, 87 \( \times \) 87 + 61 \( \times \) 61 - 2 \( \times \) 87 \( \times \) 61
= (87 - 61)2 [ As. a2 + b2 - 2ab = (a - b)2 ]
= (26)2 = 676
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